Temperature and Humidity Sensor Node Design


  • Set Domain to "Consumer Electronics"
  • Set Operating Voltage to "5"
  • Set Connectivity to "WiFi"
  • Set Power Requirements to "USB"
  • Set Implementation Details to "USB-C 5 V default sink; 3.3 V rail; Wi-Fi/BLE MCU module; I2C digital T/RH sensor; reverse/OVP/UVLO/OCP input protection plan..."
  • Connected U1:DOUT, U2:GPIO0 to ^AMC1306_DOUT_PIO
  • Connected U1:CLKIN, U2:GPIO1 to ^AMC1306_CLKIN_PIO
  • Added 1x ESP32-C3-MINI-1-N4 as U1 (Pins: GND::51, NC::35, GND::36, GND::49_9, IO1, GND::1, NC::4, GND::49_6, NC::10, RXD0, EN, GND::46, GND::49_3, TXD0, NC::32 ... and 46 more)
  • Added 1x SHTC3-TR-2.5KS as U2 (Pins: SCL, SDA, VSS, VDD, EPAD)
  • Added 1x USB-C 2.0 Receptacle as J1 (Pins: SBU2, GND::1, VBUS::3, GND::16, VBUS::14, D-::7, GND::15, GND::2, D-::9, CC1, VBUS::4, D+::10, VBUS::13, D+::8, SBU1 ... and 1 more)
  • Added 1x TPS25940LRVCR as U3 (Pins: DVDT, OUT_5, IN_4, DEVSLP, OUT_3, EP, IN_2, PGTH, PGOOD, IN_3, ~FLT, OUT_2, IN_1, OUT_1, IMON ... and 6 more)
  • Added 1x AP2112K-3.3TRG1 as U4 (Pins: VIN, EN, GND, NC, VOUT)
  • Added 6x Generic Resistor as R1, R2, R3, R4, R5, R6 (Pins: P2, P1)
  • Added 7x Generic Capacitor as C1, C2, C3, C4, C5, C6, C7 (Pins: P1, P2)
  • Removed U1
  • Removed U2
  • Removed Q1

Project Specification
Design Summary
Status: Draft / Review / Approved
Manufacturing target: Prototype / EVT / DVT / PVT / Production
Software / firmware: repository link

Scope
Purpose
In scope
Out of scope

System context

Requirements
Functional
Electrical
Mechanical / environmental

Key constraints

Dependencies and risks
Dependencies
Key risks

Validation
Success criteria
Planned checks

Release-facing notes
Expected deliverables
Special release notes

Change notes / open questions
Changes in this revision
Open questions
  • Design Summary

  • Scope

  • System context

  • Requirements

  • Functional

  • Electrical

  • Mechanical / environmental

  • Key constraints

  • Dependencies and risks

  • Validation

  • Release-facing notes

  • Change notes / open questions